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我在 html 中有这段代码：

echo '<div class="sponsors__item-bg-img lazy-load" data-original="'.$sponsor_item['image'].'" style="background-image: url();" src="https://static.questex.asia/template7/images/grey.gif" ></div></a>';

jquery.lazyload.js 得到了这部分：

$self.one("appear", function() {
            if (!this.loaded) {
                if (settings.appear) {
                    var elements_left = elements.length;
                    settings.appear.call(self, elements_left, settings);
                }
                $("<img />")
                    .bind("load", function() {

                        var original = $self.attr("data-" + settings.data_attribute);
                        $self.hide();
                        if ($self.is("img")) {
                            $self.attr("src", original);
                        } else {
                            $self.css("background-image", "url('" + original + "')");
                        }
                        $self[settings.effect](settings.effect_speed);

                        self.loaded = true;

                        /* Remove image from array so it is not looped next time. */
                        var temp = $.grep(elements, function(element) {
                            return !element.loaded;
                        });
                        elements = $(temp);

                        if (settings.load) {
                            var elements_left = elements.length;
                            settings.load.call(self, elements_left, settings);
                        }
                    })
                    .attr("src", $self.attr("data-" + settings.data_attribute));
            }
        });

但是最终的结果是图片没有加载，因为url不是js添加的：

<div class="sponsors__item-bg-img lazy-load" data-original="https://img.questex.asia/sites/default/files/styles/219x164/public/BizProLogo.jpg?itok=KLf9ojX0&amp;timestamp=1527822985" style="background-image: url();" src="https://static.questex.asia/template7/images/grey.gif"></div>

任何人都知道我如何检查发生了什么或我应该如何解决问题？谢谢。

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